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Chapter Vocabulary Review
For Questions 1–7, write True if the statement is true. If the statement is false, change
the underlined word or words to make the statement true.
1. DNA contains the sugar ribose.
2. Messenger RNA carries copies of the instructions for making proteins
from DNA to other parts of the cell.
3. RNA polymerase transfers amino acids to ribosomes.
4. The process of transcription produces a complementary strand of
RNA on a DNA template.
5. The enzyme that assembles a complementary strand of RNA on a
DNA template is RNA polymerase.
6. The region of DNA where the production of an RNA strand begins is
called the intron.
7. Exons are spliced together in forming messenger RNA.
For Questions 8–16, match the term with its definition.
Definition
Term
8. The sequence of bases that serves as the
“language” of life
A. polypeptide
9. A sequence of three bases on a tRNA
molecule that is complementary to a
sequence of bases on an mRNA molecule
C. codon
B. genetic code
D. translation
10. How genetic information is put into
action in a living cell
E. anticodon
11. Having extra sets of chromosomes
G. mutation
12. The decoding of an mRNA message into
a protein
H. mutagen
F. gene expression
I. polyploidy
13. A heritable change in genetic information
14. A chain of amino acids
15. The three consecutive bases that specify a
single amino acid to be added to the
polypeptide chain
16. A chemical or physical agent that causes
a change in a gene
For Questions 17–19, complete each statement by writing the correct word or words.
17. A group of genes that are regulated together is called a(n)
18. A region of DNA where a repressor can bind is a(n)
19. Master control genes, called
specific parts of the body.
.
.
genes, regulate organs that develop in
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